What Use Is An F-call?

What use is an F-call? We are part of an amazing hobby where inventiveness, inquiry and exploration is part and parcel of the thing we do. It's that spirit that got me interested in this hobby and fortunately I have enough friends in the hobby who share that view. Unfortunately, this hobby seems to also attract a group of nay-sayers, people who are always denigrating others, starting from the perspective of saying No, before asking How? Let's call them the whingers. These are the ones who complain about the ineffectiveness of the WIA, the ones who complain that when the license fee goes down, jump up and down for a refund of their five year payment which they made to save money in case the fees went up. These are the ones who want to quarantine callsigns for "deserving amateurs" but have several and want to have a particular callsign and can't wait until the holder becomes a silent key. The ones who say that F-calls should not be allowed on air, or should have their license expired automaticall